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Install Faucet and Drain on New Sink — Install the New Kitchen Faucet

Beginner2 hours

Part of project

Replace Your Kitchen Faucet: Step-by-Step Guide · Step 3 of 3

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In this video

Before hanging the sink, install the faucet and drain assembly. Set the sink on a stable, protected surface. Insert the new faucet's supply lines through the holes in the sink deck. From the underside, attach the mounting hardware and tighten the nuts to secure the faucet. Then, install the new drain assembly into the drain opening, ensuring any gaskets are properly seated.

Goal: Attach Faucet to New Sink

Used in this video

  • WrenchTightening the faucet mounting nuts.
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KOHLER

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FAQs

What's the absolute first thing I should do before even touching my old faucet?

Always prioritize safety by turning off the hot and cold water supply valves located directly under your sink. Then, open the old faucet to drain any remaining water from the lines and relieve pressure, which helps prevent unexpected spills and makes disconnecting easier.

The project mentions an adjustable wrench and a basin wrench. Are these specialized tools, and do I really need both?

A basin wrench is highly recommended as it's specifically designed to reach and loosen the mounting nuts in tight spaces behind the sink, which a standard adjustable wrench often can't access. While an adjustable wrench handles most other connections, the basin wrench can be a lifesaver for tricky spots, especially for beginners working in confined areas.

What are the most common reasons for leaks after installing a new faucet, and how can I prevent them?

Leaks usually stem from improperly tightened connections or insufficient sealing. Ensure all supply line connections are snug but don't overtighten, and always use plumber's tape on threaded connections and plumber's putty or the manufacturer's gasket under the faucet base to create a watertight seal.

How long should this project realistically take for a beginner, and are there any tips to make it go smoother?

For a beginner, plan for 1-3 hours, but it could take longer if you encounter rusty nuts or tight spaces. A great tip is to take photos of the existing plumbing connections before disconnecting anything; this visual reference can be invaluable when connecting the new faucet's lines in the correct order.